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soil pore

Catalogue: Ground Cover
Trials have shown significant denitrification in summer after post-harvest mineralisation of crop residues such as chickpea crops and canola... In 'normal' dry years, losing soil nitrate through denitrification is a relatively small problem - a bigger issue now is the slowly declining soil nitrogen reserves across the region, especially after multiple above-average yields... Wet summers increase the potential to lose nitrogen through the natural process of denitrification, so the potential for losses is higher under those conditions...
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Catalogue: GRDC YouTube channel
The incorporation of chicken manure into heavy clay subsoil in the southern grain region's high rainfall zone has help increase plant available water and increase crop yields... In terms of water, 248.41: the water was measured through neutron moisture metres and we found during Summer fallow period 257.799: the soil was able to store more water almost three times the amount of water that the control 263.18: treatments were able to hold and that amount of water was available to the crops during 269.349: grain fill... 340.999: Renick Peries: We tend to recommend to people that they do 344.689: it in February - March but sometimes if you have a dry season you can extend that to say 350.83: April 351.339: Narrator: Yaloake Estate is so convinced by their own 354.139: results they 360.089: 20 tonnes of chicken manure per hectare at 40 cm depth to make sure its in the clay layer...
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Catalogue: GRDC Media
The results send a clear signal to growers that baseline measurement and management of RLN populations through soil testing, varietal selection and crop rotation is imperative if yield losses are to be avoided... "If RLN are not detected, protect those paddocks from contamination by controlling movement of soil and water on the farm," she said... In paddocks where RLN populations are detected, Dr Owen said rotation and variety selection were the primary management options and that growers should aim to reduce populations to less than 2 nematodes/g soil (2000/kg soil)...
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Catalogue: GRDC Media
The results send a clear signal to growers that baseline measurement and management of RLN populations through soil testing, varietal selection and crop rotation is imperative if yield losses are to be avoided... "If RLN are not detected, protect those paddocks from contamination by controlling movement of soil and water on the farm," she said... In paddocks where RLN populations are detected, Dr Owen said rotation and variety selection were the primary management options and that growers should aim to reduce populations to less than 2 nematodes/g soil (2000/kg soil)...
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Catalogue: GRDC Updates
Well- structured soil has plenty of crumbly aggregates; organic matter is essential for these.. A well aggregated soil allows smooth flow of water, air and nutrients, promotes root growth, aerobic microbial activity, and earthworms and other fauna activity... Management practices that improve or maintain soil structure, surface cover and no-till and appropriate nutrition leads to better water use and improved water use efficiency, which is critical for sustainable grain production in the rainfed, semi-arid subtropical northern grains region...
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